Guidance

Form UKF: guidance

Guidance to register as a British citizen if you were born to a British father and your parents were not married.

Documents

Form UKF: guidance

Details

Read the UKF guidance to find out if you can register as a British citizen if you would have become a British citizen automatically if your parents had been married.

Updates to this page

Published 22 March 2019
Last updated 16 April 2025 show all updates
  1. Updated information on citizenship queries and ceremonies, the Immigration Advice Authority and added a new section on 'Next steps'.

  2. Page summary amended to reflect the fact that form UKF can now be used by both people born before and after 1 July 2006.

  3. Updates to fees links and travel advice after becoming British.

  4. Document format and style updated. Outdated information removed or updated accordingly. References and links to fees updated.

  5. Updated the guidance.

  6. Added accessible version of guide.

  7. Updated guidance document published.

  8. First published.

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